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Your air handler moves cooled air through your home, but it is often tucked away in a closet, attic, or garage where it receives little attention. In Mobile County, heat and humidity can quickly make small air handler problems worse. A few simple maintenance checks can help reduce the risk of water leaks, weak airflow, frozen coils, and unexpected no-cool calls during the busiest part of the cooling season.
Check the Air Filter Regularly
A clogged or sagging air filter restricts the amount of air moving through the system. When airflow drops, your air conditioner has to work harder to cool the home. In severe cases, the evaporator coil may become too cold and freeze.
Inspect the filter regularly and replace it when it appears dirty, bent, or heavily coated with dust. When installing a new filter, check the arrow printed on the frame. It should point toward the air handler, which is the direction the air travels through the system.
It is also important to keep return grilles and supply vents open and clear. Furniture, curtains, rugs, boxes, and other household items can block airflow. Keeping vents unobstructed helps the system distribute cool air more evenly throughout the home.
Inspect the Condensate Drain Setup
Your air conditioner removes indoor moisture as it cools, draining it through a small PVC line near the air handler. Mobile County’s humid climate promotes algae and organic buildup, which can easily clog this line.
Carefully remove the drain access cap or tee to check for standing water, which indicates a drainage problem. Pouring a cup of plain white vinegar into the line helps limit algae growth. Securely replace the cap when finished.
Avoid using harsh drain chemicals around your AC system. If water backs up, overflows into the pan, or leaks around the unit, contact Peaden Air Conditioning, Plumbing & Electrical for professional service.
Test the Safety Float Switch
The float switch is an important safety device designed to shut the air conditioner off if water rises too high in the drain pan or drain line. This helps prevent leaks from damaging ceilings, flooring, insulation, and nearby belongings.
The switch is usually attached to the drain pan or drain tee. Gently lift and release it. You should hear a click, and the system may shut off briefly while the switch is raised. That means it is responding as designed. If the air conditioner does not restart after the switch is released, call our Peaden Pros for assistance.
Keep the Area Around the Air Handler Clear
Maintain approximately three feet of clearance around the air handler whenever possible. Open space supports airflow and gives technicians room to inspect and service the equipment. Make sure the access door is also closed and latched securely. A loose panel can allow conditioned air to escape and dust to enter the system.
Peaden provides professional air conditioning maintenance throughout Mobile County. SmartCare members receive routine tune-ups, priority scheduling, and helpful maintenance reminders. Schedule service with our Peaden Pros to keep your air handler, drain line, and cooling system operating reliably.